Scintigraphic findings in angiosarcoma of the skull.
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Adult↗
Biomedical subjects
R F Cohen
Publications and source records attributed to R F Cohen.
Composite femorocrural bypass using a small caliber autogenous vein cuff and an umbilical vein graft.
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Arteries↗
The selective use of modified human umbilical vein as an arterial substitute in the lower extremity.
Experience with 100 MHUV grafts implanted as femoropopliteal or femorocrural bypass was reviewed to evaluate the results of this conduit obtained in a selected group of patients. Indications for use of MHUV were limited to patients in whom the autologous greater saphenous vein was either absent or unsuitable or when its use would untowardly prolong the duration of the operation in patients with a poor general condition. General medical factors contributed to the choice for MHUV grafts in 25 per cent of the patients, while lack of an adequate saphenous vein necessitated its use in 70 per cent. In 5 per cent, the patient was considered a candidate for future (re)operative coronary arterial reconstruction. Cumulative graft patency rate in femoropopliteal bypass was 75 per cent in 48 months. No significant differences could be demonstrated between categories with good, fair and poor runoff or grafts with above-knee and below-knee anastomosis. In femorocrural grafts, a two year patency rate of 56 per cent was obtained. Cumulative patency rates between anterior tibial, posterior tibial and peroneal bypass did not reveal statistical differences. Late graft failure in initially jeopardized limbs without secondary reconstruction was not associated with amputation in 47 per cent of the instances. This finding reflects the fact that collateral perfusion may increase with time. On the other hand, four patients lost a leg in spite of a functioning bypass because of distally located arterial disease not amenable for reconstruction.
Adult↗
Gas gangrene: a postoperative complication.
Gas gangrene, also known as clostridial myonecrosis, is a severe and acute infection usually caused by Clostridium septicum, which may contaminate a wound. On rare occasions it is a complication of elective bone surgery, although it is usually found in elderly persons after hip surgery. The onset is usually sudden and it may occur from 6 hr. to 3 days after tissue injury. Diagnosis may be difficult because of the similarity of symptoms to those of anaerobic cellulitis. Treatment consists of surgical debridement, antibiotic therapy, hyperbaric oxygen, and supportive measures. The authors review the literature, discuss the clinical aspects, and present a case history.
Adolescent↗